National Medical Research Center For Cardiology, Ministry Of Health Of Russian Federation

This study tests a new drug called Oxacom® in 260 adults with pulmonary arterial hypertension (PAH), a condition where blood pressure in the lungs is too high. The goal is to see if different doses can improve blood flow and are safe compared to a placebo. Participants either hav…

This study tests a new tablet called Refralon to see if it can prevent atrial fibrillation or flutter from returning after the heart's normal rhythm has been restored. About 175 adults with persistent AFib or flutter will take either a low or high dose of Refralon or a placebo da…